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Note 14 - Acquisitions - Consideration Transferred (Details) (Parentheticals) - $ / shares			6 Months Ended
	May 28, 2021	Mar. 01, 2021	Jun. 30, 2022
Woorank SRL ([Member]
Shares issued for acquisition (in shares)		29,433
Woorank SRL ([Member] | Common Stock [Member]
Shares issued for acquisition (in shares)		29,433
Price per share (in dollars per share)		$ 3.38
The 2021 Acquisitions [Member] | Series D Convertible Preferred Stock [Member]
Shares issued for acquisition (in shares)			1,500
Price per share (in dollars per share)			$ 618
The 2021 Acquisitions [Member] | Common Stock [Member]
Shares issued for acquisition (in shares)			29,433
Price per share (in dollars per share)			$ 3.38
Hawk Search [Member] | Series D Convertible Preferred Stock [Member]
Shares issued for acquisition (in shares)	1,500
Price per share (in dollars per share)	$ 618

X

- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-URI https://asc.fasb.org/extlink&oid=126975305&loc=d3e6927-128479

+ Details

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X

- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

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